source/com/c2kernel/collection/DependencyDescription.java


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package com.c2kernel.collection;

import com.c2kernel.property.PropertyDescriptionList;
import com.c2kernel.property.PropertyUtility;
import com.c2kernel.utils.CastorHashMap;

public class DependencyDescription extends Dependency implements CollectionDescription<DependencyMember>{
	
    public DependencyDescription()
    {
    	setName("DependencyDescription");
    }

    public DependencyDescription(String name)
    {
    	setName(name);
    }
    
	@Override
	public Collection<DependencyMember> newInstance() {
		String depName = getName().replaceFirst("\'$", ""); // HACK: Knock the special 'prime' off the end for the case of descriptions of descriptions
		Dependency newDep = new Dependency(depName);
		if (mMembers.list.size() == 1) { // constrain the members based on the property description
			DependencyMember mem = mMembers.list.get(0);
			PropertyDescriptionList pdList = PropertyUtility.getPropertyDescriptionOutcome(mem.getEntityKey());
			if (pdList!=null) {
				newDep.setProperties(PropertyUtility.createProperty(pdList));
				newDep.setClassProps(pdList.getClassProps());
			}
		}
		return newDep;
	}

	
	@Override
	public DependencyMember addMember(int entityKey) throws MembershipException {
		checkMembership();
		return super.addMember(entityKey);
	}
	
	@Override
	public DependencyMember addMember(int entityKey, CastorHashMap props, String classProps)
			throws MembershipException {
		checkMembership();
		return super.addMember(entityKey, props, classProps);
	}
	
	public void checkMembership() throws MembershipException {
		if (mMembers.list.size() > 0)
			throw new MembershipException("Dependency descriptions may not have more than one member.");
	}

}